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Latest update： 30/11/2016 19:34:07

Sigma Electronics Co., Ltd. 

We have greatly reduced the vibration of rotary machines by our original techniques.

We develop, manufacture and sell balance testing machines (balancers) and vibration measuring equipment used for reducing the harmful vibration of rotary machines. Our products are used in a wide range of industries that handle products and require high-speed rotation, precision rotation and quietness, such as the main shafts of machine tools and turbines of jet engines. Our products greatly reduce vibration in a short time thanks to our unique new balancing method, called “multi-speed, multifaceted method”. Our domestic share of field balancers is 65%. We carry out production development using our original techniques in-house, and can satisfy customers’ demands speedily.

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Other presentation 

[Company strength]
We have been developing products using our original techniques in-house since our establishment. We can meet customers’ demands and resolve any issues quickly because our staff understand all of our systems and processes from designing to manufacture in all fields including electricity, software and mechanisms. Fifty percent of our development staff hold ISO18436-2 certification as engineers for condition monitoring diagnostics of machines (vibration), and we reflect needs in our production development by deepening our understanding of mechanical vibration.

[Business description]
Vibration occurs when a machine with imbalance is rotated, and the vibration causes noise, shortens the life of the machine, and, in the case of machine tools, impairs processing accuracy. We develop, manufacture and sell balance testing machines (balancers) and vibration measuring equipment used for reducing this harmful vibration of rotary machines. Our products are used in a wide range of industries that handle products and require high-speed rotation, precision rotation and quietness, such as the main shafts of machine tools, turbines of jet engines, high-speed motors, air blowers, and pumps.

[Industry]
Measuring instrument maker

[Strength of products/technologies]
The traditional “constant speed method” takes a long time even for a veteran in balancing using the rotation zone of an elastic rotor (a rotor having a critical speed, using a rotation zone, and causing elastic deformation). Our unique new method called “multi-speed, multifaceted method” can greatly reduce vibration in a short time. This technology can reduce the 1-10 kHz vibration of a rotary machine throughout using a rotation zone, and is unique in the industry.

[Representative's message]
We have focused on product development using our original techniques under the theme of “fusion of electricity, software and mechanisms”. In our system, designers engage in activities up to manufacture, and all staff understand all processes. We can thus gain a broader view and understand mechanisms, and so can quickly respond to troubles and maintenance issues. We are proud of customers’ high trust as a result of striving to understand their demands and resolve issues. We will continue to provide the necessary measuring instruments quickly to both domestic and overseas customers.

[Company structure for market development/overseas expansion]
Persons in charge of new customers are assigned at the business section, and deal with inquiries from major enterprises and overseas enterprises. We can also give demonstrations using actual machines, as needed. We have agents capable of giving demonstrations using actual machines in China (Beijing) and Taiwan (Taipei). We are also expanding our sales network by displaying our products at exhibitions two or three times in Japan and two or three times overseas.

[Market share/Ranking]
Domestic share of 65% (field balancers)

[Awards and media coverage]
[Awards]
Selected for Technology Award of The Japan Society for Precision Engineering, Chugoku Shikoku Branch Office (2006), selected for 300 of Japan’s Monozukuri (Manufacturing) SMEs (2009), and selected for Technology Award of The Japan Society of Mechanical Engineers, Chugoku-Shikoku Branch (2014)

[Media]
Okayama Industrial Information


[Authorization/Certification]
ISO 9001

[Joint research and development]
None.

[Intellectual property]
Patent publication number 2005-308537: Balance analyzing method by a balance analyzer, and a method for balance analysis by said balance analyzer
One other patent


[Main Clients / Business History (domestic)]
Field balancers: Toshiba Corporation, Hitachi, Ltd., Panasonic Corporation, Sony Corporation, DMG Mori Co., Ltd., Fanuc Corporation, Ebara Corporation, Mitsubishi Heavy Industries, Ltd., Nissan Motor Co., Ltd., Toyota Motor Corporation, and Honda Motor Co., Ltd.Balance testing machines: Yamaha Corporation, Mitsubishi Heavy Industries, Ltd., Denso Corporation, Nachi-Fujikoshi Corporation, Toshiba Machine Co., Ltd., Nidec Corporation, Minebea Co., Ltd., Alps Electric Co., Ltd., Keyence Corporation, Ricoh Company, Ltd., Brother Industries, Ltd., Murata Machinery, Ltd., etc.

This company is recommended by the following support organizations.

Kanto Head Office, SMRJ
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